Here is a list of nouns that start with EX.

exacerbation, exaggeration, exaltation, examiantion, examination

examiner, example, exasperation, exboyfriend, excavation

excellence, excelsin, excelsior, exception, excerpt

exchange, exchequer, excise, excitability, excitement

exclamation, exclusion, exclusive, excretion, excursion

excuse, execution, executioner, executive, executor

exemplar, exemption, exercise, exercising, exertion

exhaust, exhaustion, exhibit, exhibition, exhusband

exile, existence, existent, existentialist, exit

exogamy, exoneration, expanse, expansion, expansionist

expectancy, expectation, expediency, expedient, expedition

expenditure, expense, experience, experiment, experimentalism

experimentation, experimenter, expert, expertise, expiation

expiration, explanation, exploit, exploitation, exploration

explorer, explosion, explosive, export, expose

exposition, exposure, expression, expressionism, expressionist

expressway, expulsion, expunging, expurgation, extension

extent, exterior, extermination, extern, externalization

extinction, extract, extraction, extrapolation, extrema

extreme, extremity, extrovert, extruder, exuberance

exultation

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